List of practice Questions

Alkali metals impart colour to the flame. Their ionisation energies are low.

Arbor vitae is composed of

The functional group which is found in amino acid is

The process of the escape of liquid from the tip of uninjured leaf is called

Moderate rainfall during summer produces

Phytotron is a device by which

The term chromatophore was coined by

Which type of cancer is found in lymph nodes and spleen?

Which of the following terms is not concerned with genetic recombination in bacteria ?

Secretion of which of the following is under neurosecretory nerve axons?

Pacinian corpuscles occur in the skin of certain parts of body in mammals. These are

The plant material, which is widely used in the preparation of culture medium, is

The chief function of phloem is the conduction of

Addison?? disease results from

According to Maxwell?? hypothesis, a changing electric field gives rise to

A spring $40 \,mm$ long is stretched by the application of a force. If $10 \,N$ force required to stretch the spring through $1 \,mm$, then work done in stretching the spring through $40\, mm$, is

All the resistors are equal in value each being 2 ohm. The equivalent resistance of the combination is:

Which one of the following ionic species will impart colour to an aqueous solution ?

Iodoform test is not given by

Genetic engineering is possible, because

Velocity of light, according to this theory, is greater in a denser medium than in a rarer medium

Numerical aperture of an oil immersion objective using oil of R.I. 1.5 is 0.75. Then, its numerical aperture, when kept in air is

A mirror produces a magnified erect image of an object. The nature of the mirror is

Time of exposure for a photographic print is 10 s, when a lamp of 50 cd is placed at 1 m from it. Then another lamp of luminous intensity I is used, and is kept at 2 m from it. If the time of exposure now is 20 sec, the value of I is (cd)

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